ISRC FRZ111001536
Verified recording
FRZ111001536 is “Chopin: Mazurka No. 13 in A Minor, Op. 17 No. 4” by Frédéric Chopin,
registered on the CopyrightChains blockchain with CopyrightID
0xbdbf2f88899784d94e5af529bd31c807d8c3ef3e91d6836df1f3e522fa084f83 and independently timestamped
in Bitcoin block 960200 on 2026-07-30.
Verify the canonical record, hash, and Bitcoin attestation at
https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ111001536.
Recording identifiers
- ISRC
- FRZ111001536
- Title
- Chopin: Mazurka No. 13 in A Minor, Op. 17 No. 4
- Artist
- Frédéric Chopin
- CopyrightID (CopyrightChains transaction hash)
0xbdbf2f88899784d94e5af529bd31c807d8c3ef3e91d6836df1f3e522fa084f83
Dual-chain proof evidence
- Bitcoin-attested timestamp
- 2026-07-30T02:37:10+00:00
- Bitcoin block
- 960200
- Canonical record hash
sha256:5c56ec00db9dd1be71d5c0136004e65c009088cdd634c1a6ff80e5872d378737- Verification API (6-check server-side result)
- https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ111001536
- Bitcoin block existence check
- https://blockstream.info/api/block/960200
Full record
Track page: Chopin: Mazurka No. 13 in A Minor, Op. 17 No. 4 · Machine-readable JSON-LD